Vertical semi-continuous casting equipment and vertical semi-continuous casting method
a technology of semi-continuous casting and vertical parts, applied in the field of vertical semi-continuous casting equipment and vertical semi-continuous casting methods, can solve the problems of deterioration of productivity and recovery of slabs, long time for complete solidification of slabs, and long length of vertical parts of equipment, so as to improve productivity and recovery
Active Publication Date: 2018-09-06
POHANG IRON & STEEL CO LTD
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- Description
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- Application Information
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Benefits of technology
Problems solved by technology
In casting of a slab having a thick thickness (about 400 mm to about 1,000 mm), since it is difficult to cast the slab by using general curved casting equipment, the slab may be cast by using vertical casting equipment, but not using the curved casting equipment.
However, when a slab having a very thick thickness is cast, it takes a very long time to completely solidify the slab.
Thus, in case of continuous casting, there is a limitation in that a vertical part of the equipment has a very long length.
Thus, since casting through multi charging by supplying the molten steel from a plurality of ladles L to the tundish is not performed, productivity and recovery of the slab S may be deteriorated.
Method used
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[0045]Hereinafter, specific embodiments will be described in detail with reference to the accompanying drawings. The present invention may, however, be embodied in different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the present invention to those skilled in the art.
[0046]FIG. 2 is a conceptual view of vertical semi-continuous casting equipment in accordance with an exemplary embodiment. FIGS. 3 and 4 are solid views of a movement guide device and a guide device in accordance with an exemplary embodiment. FIG. 5 is a schematic view illustrating a state in which a guide roll of the guide device is disposed to correspond to a spaced space between a plurality of frames in a direction in which the plurality of frames of the movement guide device are disposed. FIG. 6 is a schematic view illustrating a state in which the gu...
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Abstract
Provided is vertical semi-continuous casting equipment including a guide device disposed under the mold to support the slab drawn from the plate, the guide device being configured to guide the descending of the slab. The guide device includes first and second guide parts including a plurality of guide rolls respectively disposed on both sides of a moving path of the plate under the mold to support the slab moving by the plate and guide the movement of the slab and a braking unit connected to each of the guide rolls to apply braking force to the guide roll that rotates by the movement of the slab. In accordance with an exemplary embodiment, the slab having the length longer than that of the slab in accordance with the related art may stably descend, the shaking of the slab may be prevented, and the casting speed may be stabilized.
Description
BACKGROUND[0001]The present disclosure relates to vertical semi-continuous casting equipment and a vertical semi-continuous casting method using the same, and more particularly, to vertical semi-continuous casting equipment that is capable of improving productivity and recovery and a method semi-continuous casting method using the same.[0002]In casting of a slab having a thick thickness (about 400 mm to about 1,000 mm), since it is difficult to cast the slab by using general curved casting equipment, the slab may be cast by using vertical casting equipment, but not using the curved casting equipment. However, when a slab having a very thick thickness is cast, it takes a very long time to completely solidify the slab. Thus, in case of continuous casting, there is a limitation in that a vertical part of the equipment has a very long length. Thus, a vertical semi-continuous casting method, in which casting is finished after casting a slab S having a predetermined length, and then a sla...
Claims
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IPC IPC(8): B22D11/128B22D11/053B22D11/041B22D11/14B22D11/124
CPCB22D11/1281B22D11/053B22D11/041B22D11/141B22D11/1245B22D11/12B22D11/128B22D11/14
InventorOH, KYUNG SHIKKANG, YOUNG HOONLEE, JOO DONGJOUNG, KI HWANCHO, UN KWAN
OwnerPOHANG IRON & STEEL CO LTD